Cigarette Smoking A researcher found that a cigarette smoker smokes on average 31 cigarettes a day. She feels that this average is too high. She selected a random sample of 8 smokers and found that the mean number of cigarettes they smoked per day was 28. The sample standard deviation was 2.9. At a=0.01, is there enough evidence to support her claim? Assume that the population is approximately normally distributed. Use the critical value method and tables. olo Part: 0 / 5 Part 1 of 5 (a) State the hypotheses and identify the claim. H₂|μ = 0 not claim H₁ μ0 claim This hypothesis test is a two-tailed test. μ 0=0 X O
Cigarette Smoking A researcher found that a cigarette smoker smokes on average 31 cigarettes a day. She feels that this average is too high. She selected a random sample of 8 smokers and found that the mean number of cigarettes they smoked per day was 28. The sample standard deviation was 2.9. At a=0.01, is there enough evidence to support her claim? Assume that the population is approximately normally distributed. Use the critical value method and tables. olo Part: 0 / 5 Part 1 of 5 (a) State the hypotheses and identify the claim. H₂|μ = 0 not claim H₁ μ0 claim This hypothesis test is a two-tailed test. μ 0=0 X O
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Part 1 of 5
2. Find any critical values.
3. test statistic.
4. correct or reject?
5. is there evidence to support, is not, the claim, etc.
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